Yamaha-AX-497-Schematic电路原理图.pdf

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1、13 AX-497 DPX-1200AX-497 I BLOCK DIAGRAM 10dB 10dB PHONO CD/DVD SP A SP B PHONES TUNER AUX TAPE IN TAPE OUT MD IN MD OUT CD/DVD DIRECT AMP REC OUT SELECTOR INPUT SELECTOR PHONO EQ AMP CD/DVD DIRECT AMP MOTOR DRIVER ON ON ON OFF OFF OFF33.5dB M Main VR 10dB RYPS LOUDNESS BALANCE TONE CONTROL PURE DIR

2、ECT MAIN MUTE CD-D MUTE A B POWER AMP RYSP LB 15 15 B B LB 12S + + + + + + IC502 IC501 IC454 IC451 Q451,452 SW301 SW302 SW581 SW4 T151 D1518 D153156 D20 D19 Q3 Q4 Q151 RY2 RY151 SW681 RY3 RY1 Q1,2 Q26 Q27 Q25 Q530 VR421 VR531534 IC302 IC531,532 IC421 IC452 IC457 IC455 IC456 PD CDD POWER MAIN MUTE Re

3、c Out SelectorSTANDBY /ON RYPS (Power ON/OFF) Remote Control SERIAL DATA (Input & Rec Out) Input Select Main VR Protection PD CDD RYSP SW621 U631 IC301 SW622SW531 Q305 CD-D MUTE Q303 XL301 4MHz 192011 6731,3242 37 13,1453417333635,3841 Microprocessor RadioFans.CN 收音机爱 好者资料库 ABCDEFGH 1 2 3 4 5 6 IJK

4、7 8 AX-497 21 I SCHEMATIC DIAGRAM (FUNCTION) *All voltages are measured with a 10M/V DC electronic volt meter. * Components having special characteristics are marked Zand must be replaced with parts having specifications equal to those originally installed. * Schematic diagram is subject to change w

5、ithout notice. *電圧、内部抵抗10M電圧計測定。 *Z印部品、安全性確保部品示。部品交換必要場合、 記載部品使用。 *本回路図、標準回路図。改良予告変更。 IC302, 454457, 501, 502, 531, 532: NJM2068MD-TE Dual OP-Amp + OUT1 IN1 VCC +VCC OUT2 1 2 3 45 +IN1IN2 +IN2 + 6 7 8 IC451: NJU7313AM Analog Function Switch 13NC18 NC 2 3 4 5 6 7 8 9 10 11 12 14 30 1 29 28 27 26 25 2

6、4 23 22 21 20 19 17 15 CONTROL LEVEL SHIFTER LATCH LEVEL SHIFTER LATCH L1 L2 L3 L4 L-COM1 L5 L6 L-COM2 L7 L8 L-COM3 ST VDD VEE R1 R2 R3 R4 R-COM1 R5 R6 R-COM2 R7 R8 R-COM3 DATA CK VSS 16 IC452: NJU7312AM Analog Function Switch 2 3 4 5 6 7 8 9 10 11 12 14 30 1 29 28 27 25 24 23 22 21 20 19 17 15 CONT

7、ROL LEVEL SHIFTER LATCH LEVEL SHIFTER LATCH L1 L2 L3 L4 L-COM1 L5 L6 L-COM2 L7 L8 L-COM3 ST VDD VEE 13NC R1 R2 R3 R4 R-COM1 R5 R6 R-COM2 R7 R8 R-COM3 DATA CK VSS 18 NC 16 26 CD/DVD DIRECT AMP ON CD/DVD DIRECT AMP OFF PURE DIRECT ON PURE DIRECT OFF TO MAIN (1) W2Page 22 B-6 TO MAIN (2) W151 Page 22 I

8、-1 TO MAIN (3) CB201 Page 22 A-4 TO MAIN (1) CB1 Page 22 B-3 TO MAIN (5) CB221 Page 22 A-1 TO MAIN (6) CB226 Page 22 A-2 0 0 0 0 -16.9 00 15.6 0 00 0 0 0 14.0 -14.1 0 00 0 0 0 0 00 15.6 15.6 -15.7 -15.7 0.10.1 0.1 0.1 5.0 5.0 0 0 0 0 0.6 0.8 0.8 0.6 0.4 1.4 1.415.2 15.2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

9、0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 000 00 00 0 0.7 0.7 0 0 0 14.0 -14.1 0 00 0 0 0 14.0 -14.1 0 00 0 0 0 14.0 -14.1 0 0 0.1 0 0 0.1 -15.7 15.6 14.2 14.214.2 00 00 14.2 15.6 15.6 2.15.0 5.0 5.0 5.0 10.4 12.1 12.1 11.4 7.46.7 6.7 0 4.9 4.9 6.3 6.2 6.3 5.6 5.6 4.8 4.8 5.0 0 0 0 0 0 0 0 0 0 0 0 0 0

10、0 0 0 00 0.1 0.1 0.1 0.2 4.3 4.9 4.9 5.0 5.0 -7.1 14.7 14.7 -14.8 -14.8 15.6 0 0 -16.7 0 1.7 0.7 0 2.5 1.0 1.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 1.7 1.1 5.0 4.9 4.7 2.2 2.4 4.9 4.2 0 0 0 0 0 0 0 0 0 0 0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 0.2 4.9 4.9 1.7 2.15.0 2.15.0 2.15.0 2.15.0 5.04.9 2.14.9 2.10.2 1 2 CH

11、1 2 CH2 4.7K4.7K2.4K2.4K 1K 1K 510510 270270 IC421: LB1641 Motor Driver 23 P1 5 IN 1 1 GND 4VZ 6IN 2 OUT 1 8 VCC 2 10 OUT 2 9 P2 INPUT LOGIC PRE DRIVER 7 VCC 1 Point q (Pin 20 of IC301) Point w CH 1 : Emitter of Q309 CH 2 : Collector of Q304 AC POWER ON (Connect the power cable) AC POWER OFF (Discon

12、nect the power cable) AC POWER ON (Connect the power cable) RadioFans.CN 收音机爱 好者资料库 ABCDEFGH 1 2 3 4 5 6 IJKL 7 8 AX-497 22 I SCHEMATIC DIAGRAM (MAIN) *All voltages are measured with a 10M/V DC electronic volt meter. * Components having special characteristics are marked Zand must be replaced with p

13、arts having specifications equal to those originally installed. * Schematic diagram is subject to change without notice. *電圧、内部抵抗10M電圧計測定。 *Z印部品、安全性確保部品示。部品交換必要場合、 記載部品使用。 *本回路図、標準回路図。改良予告変更。 TO FUNCTION (1) W301 Page 21 J-4 TO FUNCTION (1) CB306 Page 21 J-4 TO FUNCTION (6) CB532 Page 21 I-1 TO FUNC

14、TION (12) CB681 Page 21 G-6 TO FUNCTION (1) CB306 Page 21 J-4 SPEAKERS 0.16.2 0.1 0.1 6.2 15.7 16.3 16.3 -16.3 -16.3 -15.7 -21.3 -21.4 0 00 0 55.6 55.6 55.6 55.3 0.1 55.0 55.0 1.21.2 0.6 0.1 -0.5 -0.5 -1.1-1.1 0 0 55.6 55.5 0 0 -55.6 -55.6 -54.2 -54.2 -54.2 -54.2 0.1 0.1 0.4 -0.1 0 0 -4.3 0 0 -4.3 0

15、.70.7 -54.3 -54.3 -54.2 -54.2 -54.2 -54.2 -54.2 -54.2 -54.2 -55.6 -55.6 -54.2 -54.8 -54.8 -54.3-54.3 -54.3 -54.3 -54.3 0.10.1 0.70.7 -54.3 -53.7 -53.7 -1.1 -1.1 -1.1 -0.5 -0.5 -0.5 0 1.2 1.2 0.6 0.1 0.1 0.1 0.1 0 0 0.6 0 1.2 55.0 55.0 55.6 55.6 55.6 55.3 54.5 54.5 -54.8-54.8 -53.6 -53.6 1.2 -1.1 -0.5 54.4 54.4 0 0 0 0 0 0 21.6 21.6 25.425.044.9 44.90 0 0 0 22.7 22.6 0.1 0.10.1 12.112.1 12.6 13.2 13.1 48.2 48.2 48.2 AC43.0 0.7 00 55.6 (46.2) -55.7 (-46.3) 44.9 44.90.4 0.4 0.70.7 0 AC81.6 AC32.7 AC67.8 WG43640 Vout +Vs GND IC221, 226 : LM61CIZ Temperature Sensor